M-Sys's driver and public driver

M-Sys's driver and public driver

[Ruslan Satlykov]

Hi,

Here is my (some) trouble. Under the Linux, I have a DOC partitioned
with M-Systems's doc driver to two partiotions. It's works fine after
rebooting, I can read/write on it, but some days ago I have tryed 2.4
kernel, with embedded DOC driver in it. Well, I had successfully
mounted the chip, but when I had rebooted I lose all my data on the
flash :(... GPL's driver "says" me words like 'ECC read error' at the
mount time, but I had ignored this warnings... And - unlucky final, as
you see :)

For details:
 DiskOnChip 2000, size - 4-8Mb, firmware version - 1.21.

And, after rebooting native M-System's driver can not 'fdisk' and
mount my chip (I need to repair it with original DOC's image, getted
with getmimg.bat from M-Systems floppy)

Thanks.
Ruslan.

P.S. But - thank you very much for your work!! :) And sorry for my
English.




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Re: M-Sys's driver and public driver

[David Woodhouse]

ruslan@mik.ru said:
>  Well, I had successfully mounted the chip, but when I had rebooted I
> lose all my data on the flash :(... GPL's driver "says" me words like
> 'ECC read error' at the mount time, but I had ignored this warnings...
> And - unlucky final, as you see :) 

Is this a DiskOnChip 2000 or a DiskOnChip Millennium? 

--
dwmw2




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Re: M-Sys's driver and public driver

[Ruslan Satlykov]

DW> ruslan@mik.ru said:
>>  Well, I had successfully mounted the chip, but when I had rebooted I
>> lose all my data on the flash :(... GPL's driver "says" me words like
>> 'ECC read error' at the mount time, but I had ignored this warnings...
>> And - unlucky final, as you see :) 

DW> Is this a DiskOnChip 2000 or a DiskOnChip Millennium?
DW>  
DiskOnChip 2000.... And, can I ask the mailing list? I had downloaded
the newest MTD distribution by the CVS, and - how I can add this set
to the fresh copy of the linux kernel? Yes, I maked the patch, and
what I must t do next? :))
Thank you,
Ruslan




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Re: M-Sys's driver and public driver

[David Woodhouse]

ruslan@mik.ru said:
> DiskOnChip 2000....

Ouch. No clue ATM what's caused that.

> And, can I ask the mailing list? I had downloaded
> the newest MTD distribution by the CVS, and - how I can add this set
> to the fresh copy of the linux kernel? Yes, I maked the patch, and
> what I must t do next? :)) Thank you, Ruslan

Drop the contents of the kernel/ directory over the top of your kernel's 
drivers/mtd directory. Likewise the include/linux/mtd directory.

--
dwmw2




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Re[2]: M-Sys's driver and public driver

[Ruslan Satlykov]

DW> Ouch. No clue ATM what's caused that.
OK :)

>> And, can I ask the mailing list? I had downloaded
>> the newest MTD distribution by the CVS, and - how I can add this set
>> to the fresh copy of the linux kernel? Yes, I maked the patch, and
>> what I must t do next? :)) Thank you, Ruslan

DW> Drop the contents of the kernel/ directory over the top of your kernel's 
DW> drivers/mtd directory. Likewise the include/linux/mtd directory.
David, I had copyed it to the named directories, but when a try to
make a kernel (after make menuconfig), I got the messages about
undefined variables DEBUG_LEVEL0, 1, etc... After editing file
drivers/mtd/mtdcore.c (I had replaced DEBUG_LEVEL0 with DEBUG_LEVEL_0,
etc, as declared in linux/mtd/compatmac.h, the problem has been solved...
 And, at the first compilation there was error like
  'linux/compatmac.h': No such file or directory. I had copyed this
  file from linux/mtd to linux include dir, but I'm not sure, that it
  was correct. Is it two different files with one name, placed in the
  differents include directories?

  Thank you,
  Ruslan




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Re: M-Sys's driver and public driver

[dr john halewood]

On Wednesday 07 February 2001 18:01, David Woodhouse wrote:
> Drop the contents of the kernel/ directory over the top of your kernel's
> drivers/mtd directory. Likewise the include/linux/mtd directory.

...and jffs.h and cjffs.h into include/linux, although you might be able to 
get away with it if you're not using jffs.

cheers
john


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